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Merge pull request #219 from square/py/perflib
Swiching to HAHA 2.0.2 / Perflib
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35 changes: 35 additions & 0 deletions
35
leakcanary-analyzer/src/main/java/com/squareup/haha/perflib/HahaSpy.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| /* | ||
| * Copyright (C) 2015 Square, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package com.squareup.haha.perflib; | ||
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| public final class HahaSpy { | ||
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| public static Instance allocatingThread(Instance instance) { | ||
| Snapshot snapshot = instance.mHeap.mSnapshot; | ||
| int threadSerialNumber; | ||
| if (instance instanceof RootObj) { | ||
| threadSerialNumber = ((RootObj) instance).mThread; | ||
| } else { | ||
| threadSerialNumber = instance.mStack.mThreadSerialNumber; | ||
| } | ||
| ThreadObj thread = snapshot.getThread(threadSerialNumber); | ||
| return snapshot.findInstance(thread.mId); | ||
| } | ||
|
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| private HahaSpy() { | ||
| throw new AssertionError(); | ||
| } | ||
| } |
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149 changes: 149 additions & 0 deletions
149
leakcanary-analyzer/src/main/java/com/squareup/leakcanary/HahaHelper.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,149 @@ | ||
| /* | ||
| * Copyright (C) 2015 Square, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package com.squareup.leakcanary; | ||
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|
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| import com.squareup.haha.perflib.ArrayInstance; | ||
| import com.squareup.haha.perflib.ClassInstance; | ||
| import com.squareup.haha.perflib.ClassObj; | ||
| import com.squareup.haha.perflib.Field; | ||
| import com.squareup.haha.perflib.Heap; | ||
| import com.squareup.haha.perflib.Instance; | ||
| import com.squareup.haha.perflib.Type; | ||
| import java.util.HashSet; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
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| import static com.squareup.leakcanary.Preconditions.checkNotNull; | ||
| import static java.util.Arrays.asList; | ||
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| public final class HahaHelper { | ||
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| private static final Set<String> WRAPPER_TYPES = new HashSet<>( | ||
| asList(Boolean.class.getName(), Character.class.getName(), Float.class.getName(), | ||
| Double.class.getName(), Byte.class.getName(), Short.class.getName(), | ||
| Integer.class.getName(), Long.class.getName())); | ||
|
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| static String fieldToString(Map.Entry<Field, Object> entry) { | ||
| return fieldToString(entry.getKey(), entry.getValue()); | ||
| } | ||
|
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| static String fieldToString(ClassInstance.FieldValue fieldValue) { | ||
| return fieldToString(fieldValue.getField(), fieldValue.getValue()); | ||
| } | ||
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| static String fieldToString(Field field, Object value) { | ||
| return field.getName() + " = " + value; | ||
| } | ||
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| static String threadName(Instance holder) { | ||
| List<ClassInstance.FieldValue> values = classInstanceValues(holder); | ||
| Object nameField = fieldValue(values, "name"); | ||
| return asString(nameField); | ||
| } | ||
|
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| static boolean extendsThread(ClassObj clazz) { | ||
| boolean extendsThread = false; | ||
| ClassObj parentClass = clazz; | ||
| while (parentClass.getSuperClassObj() != null) { | ||
| if (clazz.getClassName().equals(Thread.class.getName())) { | ||
| extendsThread = true; | ||
| break; | ||
| } | ||
| parentClass = parentClass.getSuperClassObj(); | ||
| } | ||
| return extendsThread; | ||
| } | ||
|
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| static String asString(Object stringObject) { | ||
| Instance instance = (Instance) stringObject; | ||
| List<ClassInstance.FieldValue> values = classInstanceValues(instance); | ||
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| Integer count = fieldValue(values, "count"); | ||
| Object value = fieldValue(values, "value"); | ||
| Integer offset; | ||
| ArrayInstance charArray; | ||
| if (isCharArray(value)) { | ||
| charArray = (ArrayInstance) value; | ||
| offset = fieldValue(values, "offset"); | ||
| } else { | ||
| // In M preview 2+, the underlying char buffer resides in the heap with ID equalling the | ||
| // String's ID + 16. | ||
| // https://android-review.googlesource.com/#/c/160380/2/android/src/com/android/tools/idea/ | ||
| // editors/hprof/descriptors/InstanceFieldDescriptorImpl.java | ||
| Heap heap = instance.getHeap(); | ||
| Instance inlineInstance = heap.getInstance(instance.getId() + 16); | ||
| if (isCharArray(inlineInstance)) { | ||
| charArray = (ArrayInstance) inlineInstance; | ||
| offset = 0; | ||
| } else { | ||
| throw new UnsupportedOperationException("Could not find char array in " + instance); | ||
| } | ||
| } | ||
| checkNotNull(count, "count"); | ||
| checkNotNull(charArray, "charArray"); | ||
| checkNotNull(offset, "offset"); | ||
|
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| if (count == 0) { | ||
| return ""; | ||
| } | ||
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| char[] chars = charArray.asCharArray(offset, count); | ||
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| return new String(chars); | ||
| } | ||
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| public static boolean isPrimitiveWrapper(Object value) { | ||
| if (!(value instanceof ClassInstance)) { | ||
| return false; | ||
| } | ||
| return WRAPPER_TYPES.contains(((ClassInstance) value).getClassObj().getClassName()); | ||
| } | ||
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| public static boolean isPrimitiveOrWrapperArray(Object value) { | ||
| if (!(value instanceof ArrayInstance)) { | ||
| return false; | ||
| } | ||
| ArrayInstance arrayInstance = (ArrayInstance) value; | ||
| if (arrayInstance.getArrayType() != Type.OBJECT) { | ||
| return true; | ||
| } | ||
| return WRAPPER_TYPES.contains(arrayInstance.getClassObj().getClassName()); | ||
| } | ||
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| private static boolean isCharArray(Object value) { | ||
| return value instanceof ArrayInstance && ((ArrayInstance) value).getArrayType() == Type.CHAR; | ||
| } | ||
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| static List<ClassInstance.FieldValue> classInstanceValues(Instance instance) { | ||
| ClassInstance classInstance = (ClassInstance) instance; | ||
| return classInstance.getValues(); | ||
| } | ||
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| static <T> T fieldValue(List<ClassInstance.FieldValue> values, String fieldName) { | ||
| for (ClassInstance.FieldValue fieldValue : values) { | ||
| if (fieldValue.getField().getName().equals(fieldName)) { | ||
| //noinspection unchecked | ||
| return (T) fieldValue.getValue(); | ||
| } | ||
| } | ||
| throw new IllegalArgumentException("Field " + fieldName + " does not exists"); | ||
| } | ||
|
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| private HahaHelper() { | ||
| throw new AssertionError(); | ||
| } | ||
| } |
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